You are looking a a propane injection sparge tube. It is adjustable for the amount of propane that flows. It is made to be cut to fit your application. Any questions please ask.
DIESEL PROPANE INJECTION KIT--DODGE--POWERSTROKE-DURAMAX-UP TO 100 HP!-W/HOSE
DIESEL PROPANE INJECTION KIT- DODGE--POWERSTROKE-DURAMAX-WITHOUT BRAIDED HOSE
PROPANE INJECTION-PETERBILT KENWORTH-MACK-FREIGHTLINER-HP & MILEAGE GAINS-W/HOSE
DIESEL PROPANE INJECTION KIT- DODGE--POWERSTROKE-DURAMAX-WITHOUT HOSE
DIESEL PROPANE INJECTION KIT 4 OR 6 CYLINDER ENGINES--VW TDI WITH 11' OF HOSE
DIESEL PROPANE INJECTION 4 OR 6 CYLINDER ENGINES, VW TDI-W/O BRAIDED HOSE